Heating Amtrol Expansion Tanks | Model 109 Fill-Trol W/ Valve (2 Gallon Volume)

The Amtrol Fill-Trol+ System Consists Of A Specially Adapted Extrol+ Pre-Pressurized, Diaphragm-Type Expansion Tank, And The Fill-Trol, A Specially Designed, Automatic, Fill Valve.

• Provides Accurate System Make Up
  
• Eliminates Need For A Separate, Automatic Fill Valve
  
• Fully Adjustable Up To A Maximum Working Pressure Of 100 Psig
  
• Factory Pre-Charged To 12 Psig; Tank Pressure Controls System Fill